[sdiy] improved dynamic range diffpair-vca

[Magnus Danielson]

From: "JH." <jhaible at debitel.net>
Subject: Re: [sdiy] improved dynamic range diffpair-vca
Date: Wed, 25 Apr 2007 00:38:27 +0200
Message-ID: <001d01c786c1$47d2b5b0$0200a8c0 at jhsilent>

> >This is not a noise improvement as such but rather about being able to use
> >higher amplitude, and since you can use twice the amplitude for the same
> >distorsion you get 6 dB in improved SNR.
> 
> But I'd expect the extra transitors to add some noise as well!

Yes, but considering the configuration the distorsion will be the killer
anyway, so that will dominate the noise part and thus SNR reference.

Cheers,
Magnus